Finding the Third Proportional to 8,220.75 and 10,539.75
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Solution
The third proportional to 8,220.75 and 10,539.75 is: 13,512.92
Step by Step Solution
- Step 1: Write the proportion equation
8,220.75 : 10,539.75 = 10,539.75 : x - Step 2: Convert to fraction form
8,220.75/10,539.75 = 10,539.75/x - Step 3: Cross multiply
8,220.75x = 10,539.75 × 10,539.75 - Step 4: Simplify right side
8,220.75x = 111,086,330.06 - Step 5: Solve for x
x = 111,086,330.06/8,220.75 - Step 6: Final answer
x = 13,512.92
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Why These Related Problems?
These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.